Method and system for controlling use of protected software

Details Method and system for controlling use of protected software Method and system for controlling use of protected software

1985-07-01

1987-08-04

Zache, Raulfe B.

Boots, shoes, and leggings

34082531, G06F 900

Patent

active

046850554

ABSTRACT:
A protection subroutine with a unique reference code is emplaced in a protected software package. The package also contains a validation program. The protection subroutine and validation program connect with an ESD and both the ESD and the program communicate with a secure computer. Upon receipt of inputs of the software serial number and reference code and the ESD identifier, the computer generates a validation code which causes the protection subroutine to command execution of the protected software by its hose computer.

REFERENCES:
patent: 4446519 (1984-05-01), Thomas

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